***** **********Best Quality Guranteed. *****Dual-Illumination stereo microscope with bottom and top light, making it easy to view slides and 3D objects. *****Fun, educational, and easy to use with 20X and 50X magnifications. *****Includes a brine shrimp experiment complete with eggs and hatchery kit. The SE102 has a bonus feature: 2 lights. You can switch between a top light and a bottom light for different objects. *****Over 50 accessories included such as already-prepared slides with biology specimens, and tools for collecting and preparing your own specimens. *****Five Year Warranty and Free Technical Support